US PATENT SUBCLASS 228 / 129
.~.~ By bending planar part to form tube around rodlike core

Current as of: June, 1999
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228 /   HD   METAL FUSION BONDING

101  DF  PROCESS {38}
126  DF  .~ Encasing a rodlike core within a substantially coextensive tube by complete bonding therebetween {4}
129.~.~ By bending planar part to form tube around rodlike core {1}
130  DF  .~.~.~> Progressively

DEFINITION

Classification: 228/129

(under subclass 126) Process including juxtaposing a substantially flat sheet or ribbon external part and the inner cylindrical part by folding the sheet or ribbon part around or otherwise causing it to be cylindrical and conform to the inner part and encase the same.